/* ============================================================
   RESET & VARIABLES
   ============================================================ */
   *,
   *::before,
   *::after {
       margin: 0;
       padding: 0;
       box-sizing: border-box;
   }
   
   :root {
       --primary: #0b2b4a;
       --primary-light: #1a3f62;
       --secondary: #c9a84c;
       --secondary-light: #e0c66e;
       --accent: #f5f0e8;
       --text-dark: #1e1e2a;
       --text-light: #f8f6f2;
       --gray: #6b7a8a;
       --white: #ffffff;
       --shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
       --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.15);
       --radius: 12px;
       --transition: 0.3s ease;
       --font: 'Inter', sans-serif;
   }
   
   html {
       scroll-behavior: smooth;
   }
   
   body {
       font-family: var(--font);
       color: var(--text-dark);
       background: var(--white);
       line-height: 1.6;
       overflow-x: hidden;
   }
   
   a {
       text-decoration: none;
       color: inherit;
   }
   ul {
       list-style: none;
   }
   img {
       max-width: 100%;
       display: block;
   }
   .container {
       width: 100%;
       max-width: 1200px;
       margin: 0 auto;
       padding: 0 24px;
   }
   
   /* ============================================================
      BUTTONS
      ============================================================ */
   .btn {
       display: inline-flex;
       align-items: center;
       gap: 10px;
       padding: 14px 34px;
       border-radius: 50px;
       font-weight: 600;
       font-size: 1rem;
       transition: var(--transition);
       border: none;
       cursor: pointer;
       text-align: center;
   }
   .btn-primary {
       background: var(--secondary);
       color: var(--primary);
   }
   .btn-primary:hover {
       background: var(--secondary-light);
       transform: translateY(-2px);
       box-shadow: 0 12px 28px rgba(201, 168, 76, 0.35);
   }
   .btn-outline {
       background: transparent;
       color: var(--white);
       border: 2px solid var(--white);
   }
   .btn-outline:hover {
       background: var(--white);
       color: var(--primary);
       transform: translateY(-2px);
   }
   .btn-dark {
       background: var(--primary);
       color: var(--white);
   }
   .btn-dark:hover {
       background: var(--primary-light);
       transform: translateY(-2px);
       box-shadow: 0 12px 28px rgba(11, 43, 74, 0.30);
   }
   
   /* ============================================================
      HEADER / NAV
      ============================================================ */
   .header {
       position: fixed;
       top: 0;
       left: 0;
       width: 100%;
       z-index: 1000;
       background: rgba(11, 43, 74, 0.92);
       backdrop-filter: blur(12px);
       -webkit-backdrop-filter: blur(12px);
       border-bottom: 1px solid rgba(255, 255, 255, 0.08);
       transition: var(--transition);
   }
   .header.scrolled {
       background: rgba(11, 43, 74, 0.97);
       box-shadow: 0 4px 30px rgba(0, 0, 0, 0.20);
   }
   
   .nav {
       display: flex;
       align-items: center;
       justify-content: space-between;
       height: 76px;
   }
   
   /* Logo */
   .logo {
       display: flex;
       align-items: center;
       gap: 10px;
       font-size: 1.2rem;
       font-weight: 800;
       color: var(--white);
       letter-spacing: -0.5px;
   }
   .logo img {
       height: 44px;
       width: auto;
       display: block;
   }
   .logo .logo-fallback {
       display: flex;
       align-items: center;
       gap: 8px;
   }
   .logo .logo-fallback i {
       color: var(--secondary);
       font-size: 1.6rem;
   }
   .logo .logo-fallback span {
       color: var(--secondary);
   }
   
   .nav-links {
       display: flex;
       align-items: center;
       gap: 32px;
   }
   .nav-links a {
       color: rgba(255, 255, 255, 0.80);
       font-weight: 500;
       font-size: 0.95rem;
       transition: var(--transition);
       position: relative;
   }
   .nav-links a::after {
       content: '';
       position: absolute;
       bottom: -6px;
       left: 0;
       width: 0;
       height: 2px;
       background: var(--secondary);
       transition: var(--transition);
   }
   .nav-links a:hover,
   .nav-links a.active {
       color: var(--white);
   }
   .nav-links a:hover::after,
   .nav-links a.active::after {
       width: 100%;
   }
   
   .nav-toggle {
       display: none;
       flex-direction: column;
       gap: 5px;
       cursor: pointer;
       background: none;
       border: none;
       padding: 4px;
   }
   .nav-toggle span {
       display: block;
       width: 26px;
       height: 2.5px;
       background: var(--white);
       border-radius: 4px;
       transition: var(--transition);
   }
   .nav-toggle.open span:nth-child(1) {
       transform: rotate(45deg) translate(5px, 5px);
   }
   .nav-toggle.open span:nth-child(2) {
       opacity: 0;
   }
   .nav-toggle.open span:nth-child(3) {
       transform: rotate(-45deg) translate(5px, -5px);
   }
   
   /* ============================================================
      HERO
      ============================================================ */
   .hero {
       padding: 140px 0 100px;
       background: linear-gradient(145deg, var(--primary) 0%, #0a1f33 100%);
       color: var(--white);
       position: relative;
       overflow: hidden;
       min-height: 100vh;
       display: flex;
       align-items: center;
   }
   .hero::before {
       content: '';
       position: absolute;
       top: -40%;
       right: -20%;
       width: 70%;
       height: 140%;
       background: radial-gradient(ellipse, rgba(201, 168, 76, 0.10) 0%, transparent 70%);
       pointer-events: none;
   }
   .hero::after {
       content: '';
       position: absolute;
       bottom: -30%;
       left: -10%;
       width: 50%;
       height: 100%;
       background: radial-gradient(ellipse, rgba(201, 168, 76, 0.06) 0%, transparent 70%);
       pointer-events: none;
   }
   
   .hero-grid {
       display: grid;
       grid-template-columns: 1fr 1fr;
       gap: 60px;
       align-items: center;
       position: relative;
       z-index: 2;
   }
   
   .hero-content h1 {
       font-size: 3.2rem;
       font-weight: 800;
       line-height: 1.15;
       margin-bottom: 20px;
       letter-spacing: -1px;
   }
   .hero-content h1 span {
       color: var(--secondary);
   }
   .hero-content p {
       font-size: 1.15rem;
       color: rgba(255, 255, 255, 0.80);
       max-width: 520px;
       margin-bottom: 32px;
       line-height: 1.7;
   }
   .hero-buttons {
       display: flex;
       flex-wrap: wrap;
       gap: 16px;
   }
   
   .hero-stats {
       display: grid;
       grid-template-columns: repeat(3, 1fr);
       gap: 24px;
       margin-top: 48px;
       padding-top: 40px;
       border-top: 1px solid rgba(255, 255, 255, 0.10);
   }
   .hero-stats .stat h3 {
       font-size: 2rem;
       font-weight: 800;
       color: var(--secondary);
   }
   .hero-stats .stat p {
       font-size: 0.9rem;
       color: rgba(255, 255, 255, 0.65);
       margin: 0;
   }
   
   .hero-image {
       display: flex;
       justify-content: center;
       align-items: center;
   }
   .hero-image .placeholder {
       width: 100%;
       max-width: 520px;
       aspect-ratio: 4/3;
       background: rgba(255, 255, 255, 0.05);
       border-radius: var(--radius);
       border: 1px solid rgba(255, 255, 255, 0.08);
       display: flex;
       flex-direction: column;
       align-items: center;
       justify-content: center;
       text-align: center;
       padding: 40px;
       backdrop-filter: blur(4px);
   }
   .hero-image .placeholder i {
       font-size: 4rem;
       color: var(--secondary);
       margin-bottom: 16px;
       opacity: 0.6;
   }
   .hero-image .placeholder h4 {
       font-size: 1.2rem;
       color: var(--white);
       font-weight: 600;
   }
   .hero-image .placeholder p {
       color: rgba(255, 255, 255, 0.55);
       font-size: 0.95rem;
   }
   
   /* ============================================================
      SECTION COMMON
      ============================================================ */
   section {
       padding: 80px 0;
   }
   .section-tag {
       display: inline-block;
       font-size: 0.8rem;
       font-weight: 600;
       text-transform: uppercase;
       letter-spacing: 2px;
       color: var(--secondary);
       background: rgba(201, 168, 76, 0.10);
       padding: 6px 18px;
       border-radius: 50px;
       margin-bottom: 12px;
   }
   .section-title {
       font-size: 2.4rem;
       font-weight: 800;
       line-height: 1.2;
       margin-bottom: 16px;
       letter-spacing: -0.5px;
   }
   .section-title span {
       color: var(--secondary);
   }
   .section-sub {
       font-size: 1.1rem;
       color: var(--gray);
       max-width: 580px;
       line-height: 1.7;
   }
   .section-header {
       margin-bottom: 48px;
   }
   .section-header.centered {
       text-align: center;
   }
   .section-header.centered .section-sub {
       margin: 0 auto;
   }
   
   /* ============================================================
      SERVICES PREVIEW (HOME)
      ============================================================ */
   #home-services {
       background: var(--accent);
   }
   
   .services-grid {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
       gap: 28px;
   }
   .service-card {
       background: var(--white);
       padding: 32px 28px;
       border-radius: var(--radius);
       box-shadow: var(--shadow);
       transition: var(--transition);
       border-bottom: 4px solid transparent;
   }
   .service-card:hover {
       transform: translateY(-6px);
       box-shadow: var(--shadow-hover);
       border-bottom-color: var(--secondary);
   }
   .service-card .icon {
       width: 56px;
       height: 56px;
       background: rgba(201, 168, 76, 0.12);
       border-radius: 12px;
       display: flex;
       align-items: center;
       justify-content: center;
       font-size: 1.5rem;
       color: var(--secondary);
       margin-bottom: 16px;
   }
   .service-card h4 {
       font-size: 1.1rem;
       font-weight: 700;
       margin-bottom: 8px;
   }
   .service-card p {
       font-size: 0.95rem;
       color: var(--gray);
       line-height: 1.6;
   }
   
   /* ============================================================
      ABOUT PREVIEW (HOME)
      ============================================================ */
   #home-about {
       background: var(--white);
   }
   .about-grid {
       display: grid;
       grid-template-columns: 1fr 1fr;
       gap: 60px;
       align-items: center;
   }
   .about-text .about-features {
       display: grid;
       grid-template-columns: 1fr 1fr;
       gap: 20px;
       margin-top: 24px;
   }
   .about-features .feat {
       display: flex;
       align-items: center;
       gap: 10px;
       font-weight: 500;
   }
   .about-features .feat i {
       color: var(--secondary);
       font-size: 1.2rem;
   }
   .about-image .placeholder {
       width: 100%;
       aspect-ratio: 4/3;
       background: var(--accent);
       border-radius: var(--radius);
       display: flex;
       flex-direction: column;
       align-items: center;
       justify-content: center;
       text-align: center;
       padding: 40px;
       border: 1px solid rgba(0, 0, 0, 0.04);
   }
   .about-image .placeholder i {
       font-size: 4rem;
       color: var(--secondary);
       opacity: 0.4;
       margin-bottom: 12px;
   }
   
   /* ============================================================
      WHY CHOOSE US
      ============================================================ */
   #why-choose {
       background: var(--primary);
       color: var(--white);
   }
   #why-choose .section-sub {
       color: rgba(255, 255, 255, 0.70);
   }
   .why-grid {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
       gap: 32px;
       margin-top: 16px;
   }
   .why-item {
       text-align: center;
       padding: 28px 20px;
       border-radius: var(--radius);
       background: rgba(255, 255, 255, 0.04);
       border: 1px solid rgba(255, 255, 255, 0.06);
       transition: var(--transition);
   }
   .why-item:hover {
       background: rgba(255, 255, 255, 0.08);
       transform: translateY(-4px);
   }
   .why-item i {
       font-size: 2.4rem;
       color: var(--secondary);
       margin-bottom: 12px;
   }
   .why-item h4 {
       font-size: 1.1rem;
       font-weight: 700;
       margin-bottom: 6px;
   }
   .why-item p {
       font-size: 0.9rem;
       color: rgba(255, 255, 255, 0.70);
       line-height: 1.6;
   }
   
   /* ============================================================
      PARTNERS
      ============================================================ */
   #partners {
       background: var(--accent);
   }
   .partner-logos {
       display: flex;
       flex-wrap: wrap;
       justify-content: center;
       align-items: center;
       gap: 40px 60px;
       padding: 20px 0;
   }
   .partner-logos .partner {
       font-weight: 600;
       color: var(--gray);
       font-size: 0.95rem;
       letter-spacing: 0.5px;
       opacity: 0.6;
       transition: var(--transition);
   }
   .partner-logos .partner:hover {
       opacity: 1;
       color: var(--primary);
   }
   
   /* ============================================================
      GALLERY - CONSERVATION
      ============================================================ */
   #gallery-conservation {
       background: var(--white);
   }
   
   .gallery-grid {
       display: grid;
       grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
       gap: 20px;
       margin-top: 10px;
   }
   .gallery-item {
       overflow: hidden;
       border-radius: var(--radius);
       box-shadow: var(--shadow);
       cursor: pointer;
       transition: transform 0.3s ease, box-shadow 0.3s ease;
       aspect-ratio: 4 / 3;
       background: var(--accent);
   }
   .gallery-item:hover {
       transform: scale(1.03);
       box-shadow: var(--shadow-hover);
       z-index: 2;
   }
   .gallery-item img {
       width: 100%;
       height: 100%;
       object-fit: cover;
       transition: transform 0.4s ease;
       display: block;
   }
   .gallery-item:hover img {
       transform: scale(1.08);
   }
   
   /* Lightbox */
   .lightbox {
       display: none;
       position: fixed;
       z-index: 9999;
       padding-top: 60px;
       left: 0;
       top: 0;
       width: 100%;
       height: 100%;
       overflow: auto;
       background-color: rgba(0, 0, 0, 0.92);
       backdrop-filter: blur(6px);
   }
   .lightbox-content {
       margin: auto;
       display: block;
       max-width: 80%;
       max-height: 80%;
       border-radius: 8px;
       box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
   }
   .close-lightbox {
       position: absolute;
       top: 25px;
       right: 40px;
       color: #fff;
       font-size: 40px;
       font-weight: 700;
       transition: 0.3s;
       cursor: pointer;
       z-index: 10000;
       line-height: 1;
   }
   .close-lightbox:hover {
       color: var(--secondary);
       transform: rotate(90deg);
   }
   
   /* ============================================================
      FOOTER
      ============================================================ */
   .footer {
       background: #071a2a;
       color: rgba(255, 255, 255, 0.70);
       padding: 56px 0 30px;
   }
   .footer-grid {
       display: grid;
       grid-template-columns: 2fr 1fr 1fr 1fr;
       gap: 40px;
       margin-bottom: 40px;
   }
   .footer-brand h3 {
       font-size: 1.4rem;
       font-weight: 800;
       color: var(--white);
       margin-bottom: 8px;
   }
   .footer-brand h3 span {
       color: var(--secondary);
   }
   .footer-brand p {
       font-size: 0.95rem;
       max-width: 320px;
       line-height: 1.7;
   }
   .footer h4 {
       color: var(--white);
       font-size: 1rem;
       font-weight: 700;
       margin-bottom: 16px;
   }
   .footer ul li {
       margin-bottom: 10px;
   }
   .footer ul li a {
       font-size: 0.9rem;
       transition: var(--transition);
   }
   .footer ul li a:hover {
       color: var(--secondary);
   }
   .footer-bottom {
       border-top: 1px solid rgba(255, 255, 255, 0.06);
       padding-top: 24px;
       display: flex;
       justify-content: space-between;
       align-items: center;
       flex-wrap: wrap;
       gap: 16px;
       font-size: 0.9rem;
   }
   .footer-social {
       display: flex;
       gap: 16px;
   }
   .footer-social a {
       width: 38px;
       height: 38px;
       border-radius: 50%;
       background: rgba(255, 255, 255, 0.06);
       display: flex;
       align-items: center;
       justify-content: center;
       transition: var(--transition);
       color: rgba(255, 255, 255, 0.60);
   }
   .footer-social a:hover {
       background: var(--secondary);
       color: var(--primary);
       transform: translateY(-3px);
   }
   
   /* ============================================================
      RESPONSIVE
      ============================================================ */
   @media (max-width: 1024px) {
       .hero-grid {
           grid-template-columns: 1fr;
           gap: 40px;
           text-align: center;
       }
       .hero-content p {
           margin: 0 auto 32px;
       }
       .hero-buttons {
           justify-content: center;
       }
       .hero-stats {
           justify-items: center;
       }
       .about-grid {
           grid-template-columns: 1fr;
           gap: 40px;
       }
       .footer-grid {
           grid-template-columns: 1fr 1fr;
       }
       .hero-content h1 {
           font-size: 2.6rem;
       }
       .gallery-grid {
           grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
       }
   }
   
   @media (max-width: 768px) {
       .nav-links {
           position: fixed;
           top: 76px;
           left: 0;
           width: 100%;
           background: var(--primary);
           flex-direction: column;
           padding: 32px 24px;
           gap: 20px;
           transform: translateY(-120%);
           transition: var(--transition);
           border-bottom: 2px solid rgba(201, 168, 76, 0.20);
           box-shadow: 0 20px 40px rgba(0, 0, 0, 0.30);
       }
       .nav-links.open {
           transform: translateY(0);
       }
       .nav-toggle {
           display: flex;
       }
       .hero {
           padding: 120px 0 70px;
           min-height: auto;
       }
       .hero-content h1 {
           font-size: 2rem;
       }
       .hero-stats {
           grid-template-columns: 1fr 1fr;
           gap: 16px;
       }
       .section-title {
           font-size: 1.8rem;
       }
       .about-features {
           grid-template-columns: 1fr;
       }
       .footer-grid {
           grid-template-columns: 1fr;
           gap: 30px;
       }
       .footer-bottom {
           flex-direction: column;
           text-align: center;
       }
       .services-grid {
           grid-template-columns: 1fr 1fr;
       }
       .gallery-grid {
           grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
           gap: 12px;
       }
       .lightbox-content {
           max-width: 95%;
           max-height: 70%;
       }
       .close-lightbox {
           top: 15px;
           right: 20px;
           font-size: 30px;
       }
   }
   
   @media (max-width: 480px) {
       .services-grid {
           grid-template-columns: 1fr;
       }
       .hero-stats {
           grid-template-columns: 1fr;
       }
       .hero-buttons .btn {
           width: 100%;
           justify-content: center;
       }
       .container {
           padding: 0 16px;
       }
       .hero-content h1 {
           font-size: 1.7rem;
       }
       .logo img {
           height: 34px;
       }
       .gallery-grid {
           grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
           gap: 10px;
       }
   }